Honda has released some details on three new hybrid systems that will be used to power upcoming vehciles.
By far the most exciting is the Sport Hybrid SH-AWD (Super Handling ? All Wheel Drive), as Honda calls it. It features a V-6 engine and a high-output three-motor system. Honda says it has performance equivalent to a V-8 engine with fuel efficiency better than that of an inline 4-cylinder engine. A new direct-injected 3.5-liter V-6 engine is combined with a newly-developed 7-speed Dual Clutch Transmission (DCT) system with a built-in electric motor. This unique Honda system uses two electric motors installed in the rear to control torque distribution to the right and left rear wheels.
Honda says that by using independent motors for the right and left rear wheels, positive torque can be applied to the outside wheel while negative torque is applied to the inside wheel, making independent control of torque distribution to the rear wheels possible without relying on engine output.
It?s apparently even possible for the energy generated by the inside wheel to be recovered and applied to the outside wheel to self-generate the torque necessary for the vehicle to make a turn.
Which car will feature the Sport Hybrid SH-AWD system? Honda?s not saying at this time, but we expect it to appear in the Acura NSX that was unveiled at the 2012 Detroit Auto Show and is expected to go on sale in 2014.
Honda says that the second of the three systems ? the two-motor Sport Hybrid Intelligent Multi Mode Drive ? will appear in the 2014 Honda Accord Plug-In that will be unveiled at the Detroit Auto Show in January.
This system features a newly-developed engine dedicated to hybrid vehicles coupled with two built-in electric motors and a lock-up clutch. The driving mode can be switched to three different profiles depending on the situation and battery level:
?EV Drive? is for driving by the electric motor only, using juice from the battery and regeneration during deceleration.
?Engine Drive? is for medium-to high-speed cruising with the engine and axle directly connected by a lock-up clutch, with engine power mechanically transferred to the wheels.
?Hybrid Drive? is for urban driving and fast acceleration using the motor with electricity generated by the engine.
Last but not least is the one-motor Sport Hybrid Intelligent Dual Clutch Drive system that combines a newly developed 4-cylinder 1.5-liter Atkinson cycle engine with a 7-speed DCT system with a built-in high-output electric motor. The clutches are used to disengage the engine during low speed electric-only modes and also during deceleration to reduce engine drag. No word on when this system will appear in a Honda.
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Source: http://blog.roadandtrack.com/honda-develops-three-new-sport-hybrid-systems/
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